CN107699686A - A kind of method that iron and steel enterprise's waste minerals oil is digested using process for making - Google Patents
A kind of method that iron and steel enterprise's waste minerals oil is digested using process for making Download PDFInfo
- Publication number
- CN107699686A CN107699686A CN201710807234.0A CN201710807234A CN107699686A CN 107699686 A CN107699686 A CN 107699686A CN 201710807234 A CN201710807234 A CN 201710807234A CN 107699686 A CN107699686 A CN 107699686A
- Authority
- CN
- China
- Prior art keywords
- grease
- waste minerals
- iron
- production line
- agglomerated pellet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000002699 waste material Substances 0.000 title claims abstract description 33
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 31
- 239000011707 mineral Substances 0.000 title claims abstract description 31
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 20
- 239000010959 steel Substances 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 title claims abstract description 14
- 239000004519 grease Substances 0.000 claims abstract description 38
- 239000003921 oil Substances 0.000 claims abstract description 31
- 238000005453 pelletization Methods 0.000 claims abstract description 22
- 239000008188 pellet Substances 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 239000011236 particulate material Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000009749 continuous casting Methods 0.000 claims abstract description 5
- 239000002480 mineral oil Substances 0.000 claims abstract description 5
- 235000010446 mineral oil Nutrition 0.000 claims abstract description 5
- 238000005054 agglomeration Methods 0.000 claims abstract description 4
- 230000002776 aggregation Effects 0.000 claims abstract description 4
- 229940095674 pellet product Drugs 0.000 claims abstract description 3
- 238000009628 steelmaking Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 229910001385 heavy metal Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000005275 alloying Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000010410 dusting Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- -1 generates CO Chemical compound 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910003439 heavy metal oxide Inorganic materials 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/244—Binding; Briquetting ; Granulating with binders organic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention discloses a kind of method that iron and steel enterprise waste minerals oil is digested using process for making, 1, to move secondary BOF dedusting system ash to pelletizing production line stand-by；2nd, to move discarded mineral oil grease to pelletizing production line stand-by；3rd, it is iron scale roping caused by revolving furnace continuous casting machine system is stand-by to pelletizing production line；4th, described waste minerals oil grease is uniformly added into described dedusting ash, then stir, then iron scale particulate material is added, is stirred, wherein secondary BOF dedusting system ash, iron scale particulate material, the ratio of waste minerals oil grease are according to mass percent 40:54:6 ratio is controlled addition；5th, after above grease and various raw materials are well mixed, mixed feedstock transportation is entered in ball press, pressure ball agglomeration is carried out and cooled agglomerated pellet is made；6th, the cooled agglomerated pellet product produced is pull towards converter lines, according to first hot metal charging, rear plus cooled agglomerated pellet method adds converter use.
Description
Technical field
The present invention relates to a kind of method that iron and steel enterprise's waste minerals oil is digested using process for making.
Background technology
Grease as the kinds of processes equipment such as steel industry mechanical lubrication, hydraulic drive among, in greasing, machinery
Abrasion, the metal fragments of parts enters inside grease.Most of component of machine due to lubrication is special steel, cadmium, nickel,
Their infiltration of molybdenum, copper, zinc, lead causes grease to turn into a kind of danger wastes rich in heavy metal element.Still further aspect, make
For the most common medium of hydraulic power transmission, after use, the molecular structure and chemical property among grease are also different degrees of
On changed, these it is qualitative change cause grease recycling become a kind of reluctant technology of industry
Barrier.
The content of the invention
, can it is an object of the invention to provide a kind of method that iron and steel enterprise's waste minerals oil is digested using process for making
Full dose processing is carried out to waste minerals oil caused by iron and steel enterprise, promotes the waste minerals oil utilization of resources, realizes harmless treatment.
The object of the present invention is achieved like this, a kind of side that iron and steel enterprise's waste minerals oil is digested using process for making
Method, carry out handling waste minerals oil according to the following steps：1st, to move secondary BOF dedusting system ash to pelletizing production line stand-by；2nd, will be useless
It is stand-by that the mineral oil grease abandoned moves pelletizing production line to；3rd, iron scale roping caused by revolving furnace continuous casting machine system to pelletizing is given birth to
Producing line is stand-by；4th, described waste minerals oil grease is uniformly added into described dedusting ash, then stirs, then adds
Iron scale particulate material, stirs, wherein secondary BOF dedusting system ash, iron scale particulate material, the ratio of waste minerals oil grease
Example is according to mass percent 40:54:6 ratio is controlled addition；5th, after above grease and various raw materials are well mixed,
Mixed feedstock transportation is entered in ball press, pressure ball agglomeration is carried out and cooled agglomerated pellet is made；6th, the cooled agglomerated pellet produced is produced
Product are pull towards converter lines, and the substitute as steel scrap produces applied to pneumatic steelmaking, according to first hot metal charging, add cooled agglomerated pellet afterwards
Method add converter use, the addition of cooled agglomerated pellet uses according to the 3%~10% of converter charge weight.
The present invention is a kind of acidulous material and the material with polarity feature using waste minerals oil, by waste minerals oil
As binding agent, iron scale caused by secondary BOF dedusting system ash and steelmaking continuous casting machines system is carried out pelletizing life as gradating material
Cooled agglomerated pellet is produced, the substitute as steel scrap produces applied to pneumatic steelmaking, and addition uses according to the 3%~10% of charge weight,
It is capable of the discarded mineral oil of the digestion of full dose.
The technical principle of the present invention is based on following 4 points：（1）Waste minerals oil is a kind of acidulous material, can and alkali
Property substance reaction, generate grease hydrochlorate, while grease is a kind of polar substances, so binding agent can be used as to bond alkaline matter
Pelletizing.The final dusting ash of converter is using calcium oxide, magnesia, iron oxide as the alkaline matter of predominant amount, waste minerals oil
It can be used as the binding agent of secondary BOF dedusting system lime balls.Because the raw material of pelletizing needs particulate material, the pelletizing of production
Also need to ensure the content of full iron, so we select iron scale caused by conticaster to be used as aggregate, can produce
TFe contents are more than 50% cooled agglomerated pellet.（2）After pelletizing, used cooled agglomerated pellet as the substitute of steel scrap in converter,
In view of cracking feature of the grease at 350 DEG C, to prevent caused negative effect in steelmaking process, we are turning cooled agglomerated pellet
Stove, which is smelted, to be started, and molten iron is blended into after converter, adds cooled agglomerated pellet, prevents from converting the quick-fried spray accident during hot metal charging.（3）It is cold
Gu pelletizing is the decomposition and cracking of grease hydrochlorate and grease first after molten iron centre is added, this process separates out hydrogen first,
Reacted with the iron oxide among pelletizing, or the oxygen reaction among furnace gas, heat energy is released, is advantageous to heating early stage of converter, with
The C cracked afterwards, either the oxygen among other metal oxides or furnace gas reacts with iron oxide, generates CO, CO2, and CO can make
For RECOVERY OF CONVERTER GAS, generate electricity applied to TRT or used as fuel, be achieved in that grease molecules among waste minerals oil
Recycling.（4）The heavy metal substance contained among waste minerals oil, inside pelletizing, by oil splitting later C, H
Reducing heavy metal oxide enters molten bath iron liquid, turns into alloying element, to be directly entered molten bath iron liquid existing for metallic forms, into
For the alloy element of steel.This process can realize the recycling of heavy metal element among waste minerals oil, realize
Harmless treatment.
The characteristics of present invention utilizes grease, uses grease as binding agent, for producing self-reductivity pelletizing, is applied to
Steel-making or ironmaking, in the process procedure of steel-making ironmaking, the grease molecules cracking among grease, carbon and hydrogen are decomposed into, is joined
With the metallurgical reaction of steel-making, wherein carbon generates carbon monoxide after being oxidized, into the gas recovery system conduct of pneumatic steelmaking
The fuel that TRT generates electricity uses.Hydrogen is then oxidized into vapor, arranges to air, the heavy metal substance among grease be reduced into
Enter molten steel, be used as alloying element, realize that the full dose of waste minerals oil utilizes.Before the scope of application of invention and application
Scape：In the substantial amounts of grease of the needs such as steel industry, mechanical lubrication, hydraulic machinery, these greases using a period of time with
Afterwards, for some because being mixed into out-phase material, some turns into discarded object because other materials such as water leaking-in, acid.This discarded object
Waste minerals oil is often collectively referred to as, it is most of to belong to danger wastes.The complex treatment process of this discarded object, and need
Do classify, collect, concentrate roping to professional treatment waste minerals oil company or mechanism recycled, processing cost compared with
Height, and the residual substance after waste minerals oil recycling is at present also without preferable Application way.The present invention utilizes grease
The characteristics of, use grease as binding agent, for producing self-reductivity pelletizing, applied to steel-making or ironmaking, refined in steel-making
In the process procedure of iron, the grease molecules cracking among grease, carbon and hydrogen are decomposed into, participates in the metallurgical reaction of steel-making, wherein
Generation carbon monoxide, the gas recovery system into pneumatic steelmaking use as the TRT fuel to generate electricity after carbon is oxidized.Hydrogen is then
Vapor is oxidized into, is arranged to air, the heavy metal substance among grease is reduced into molten steel, is subject to as alloying element
Utilize, realize waste minerals oil full dose utilize, not only environmental protection and also high profit space can be created, show the power of technological progress
Amount.
Embodiment
Present invention process technology is using a block converter production line as example.
One block converter, final dusting ash yield account for the 3% of output of steel.
Step 1：It is stand-by that secondary BOF dedusting system ash by more than moves pelletizing production line to.
Step 2：It is stand-by to move discarded mineral oil grease to pelletizing production line；
Step 3：Iron scale roping caused by revolving furnace continuous casting machine system is stand-by to pelletizing production line；
Step 4：Described waste minerals oil grease is uniformly added into described dedusting ash, then stirs, then adds
Iron scale particulate material, stirs, wherein secondary BOF dedusting system ash, iron scale particulate material, the ratio of waste minerals oil grease
Example is according to mass percent 40:54:6 ratio is controlled addition；
Step 5：After above grease and various raw materials are well mixed, mixed feedstock transportation is entered in ball press, carried out
Cooled agglomerated pellet is made in pressure ball agglomeration；
Step 6：The cooled agglomerated pellet product produced is pull towards converter lines, the substitute as steel scrap is applied to pneumatic steelmaking
Production, according to first hot metal charging, rear plus cooled agglomerated pellet method adds converter use, and the addition of cooled agglomerated pellet is according to converter
The 3%~10% of charge weight uses.
Claims (1)
- A kind of 1. method that iron and steel enterprise's waste minerals oil is digested using process for making, it is characterised in that carried out according to the following steps Handle waste minerals oil：1st, to move secondary BOF dedusting system ash to pelletizing production line stand-by；2nd, discarded mineral oil grease is moved to Pelletizing production line is stand-by；3rd, it is iron scale roping caused by revolving furnace continuous casting machine system is stand-by to pelletizing production line；4th, described Dedusting ash in be uniformly added into described waste minerals oil grease, then stir, then add iron scale particulate material, stir Mix uniformly, wherein secondary BOF dedusting system ash, iron scale particulate material, the ratio of waste minerals oil grease are according to mass percent 40:54:6 ratio is controlled addition；5th, it is after above grease and various raw materials are well mixed, mixed raw material is defeated It is sent into ball press, carries out pressure ball agglomeration and cooled agglomerated pellet is made；6th, the cooled agglomerated pellet product produced is pull towards converter lines, Substitute as steel scrap is produced applied to pneumatic steelmaking, and according to first hot metal charging, rear plus cooled agglomerated pellet method, which adds converter, to be made With the addition of cooled agglomerated pellet uses according to the 3%~10% of converter charge weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710807234.0A CN107699686B (en) | 2017-09-08 | 2017-09-08 | Method for digesting waste mineral oil of iron and steel enterprises by using steelmaking process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710807234.0A CN107699686B (en) | 2017-09-08 | 2017-09-08 | Method for digesting waste mineral oil of iron and steel enterprises by using steelmaking process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107699686A true CN107699686A (en) | 2018-02-16 |
| CN107699686B CN107699686B (en) | 2021-01-15 |
Family
ID=61172334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710807234.0A Active CN107699686B (en) | 2017-09-08 | 2017-09-08 | Method for digesting waste mineral oil of iron and steel enterprises by using steelmaking process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107699686B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108484124A (en) * | 2018-04-11 | 2018-09-04 | 新疆八钢铁股份有限公司 | A kind of production method of slag ladle anti-adhesive slag agent |
| CN110669921A (en) * | 2019-10-18 | 2020-01-10 | 甘肃酒钢集团宏兴钢铁股份有限公司 | System and method for resourcefully treating steelmaking secondary dedusting ash |
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| CN110669921A (en) * | 2019-10-18 | 2020-01-10 | 甘肃酒钢集团宏兴钢铁股份有限公司 | System and method for resourcefully treating steelmaking secondary dedusting ash |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107699686B (en) | 2021-01-15 |
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